/*
 * Copyright 2022 The Open Islands Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.openislands.oi.rpc.http;

import org.openislands.oi.rpc.base.Executor;
import org.springframework.http.client.ClientHttpRequest;
import org.springframework.web.client.RequestCallback;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class RequestCallbackChain implements RequestCallback {
    private final Executor<Object> executor;
    private final List<HttpRequestListener> requestListenerList;

    public RequestCallbackChain(Executor<Object> executor) {
        this.executor = executor;
        this.requestListenerList = new ArrayList<>();
    }

    public void add(HttpRequestListener httpRequestListener) {
        this.requestListenerList.add(httpRequestListener);
    }

    public void addAll(List<HttpRequestListener> httpRequestListenerList) {
        this.requestListenerList.addAll(httpRequestListenerList);
    }

    @Override
    public void doWithRequest(ClientHttpRequest request) throws IOException {
        for (HttpRequestListener httpRequestListener : requestListenerList) {
            httpRequestListener.onEvent(this.executor, request);
        }
    }
}